The Oath of Office:I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my Ability, preserve, protect and defend the Constitution of the United States.

Article 2, Section 1 of the Constitution requires that before Presidents can assume their duties they must take the oath of office. The completion of this 35-word oath ends one president’s term and begins the next.

“If we suffer tamely a lawless attack upon our liberty, we encourage it, and involve others in a our doom”